I would go with AES. It is better overall. I seem to remember a security flaw being found in TKIP recently. In any case, you can try it both ways and see if it does make a practical difference in battery life. It probably won't since other factors will vary a lot more (what you do with the machine while on battery, watching movies, playing games, surfing the web etc.).

I think battery life between the two are pretty identical in a real world situation. IIRC correctly, TKIP is basically a rotating RC4 cipher (not too different from WEP). I always go with WPA2 in all my wireless rollouts.

Originally posted by Paladin:I would go with AES. It is better overall. I seem to remember a security flaw being found in TKIP recently. In any case, you can try it both ways and see if it does make a practical difference in battery life. It probably won't since other factors will vary a lot more (what you do with the machine while on battery, watching movies, playing games, surfing the web etc.).

If there is a difference in battery life, yours is a pretty narrow use case so you should be able to tell quickly and effectively on those scanners (single purpose device). Try AES and see if it makes any difference.